As you can see, I had a little help from Jon Skeet with this one. Once I’d written it, I thought I’d have a play with the IntelliTest feature: if you right click the method and select “Create IntelliTest”, you’re presented with this:

The interesting thing about this, is that it can’t be found as a test. What actually happens is this creates an intelli-test, which, as far as I can see, you have to right-click on the created test and select “Run Intelli-test”. This then creates you an actual unit test: